k24a1/k24z2 comparison

[Ba82Ep3]

*OH MY GAWD*

I got a line on a k24z2 and im looking for info on k20a.org and answers are sparse.

Does anyone have any experience with a k24z2 (08 Accord)? Im curious if i can swap a k24a1 chain case cover onto the k24z2 so i can run a standard crank sensor. It would be like trying to swap a k20a2 chain case cover onto a k20z3.

Do the three engine mount holes line up?

Any info would be appreciated...

- Dave

[poeticfinesse21]

Doesn't that motor have the integrated exhaust manifold? If it does then it's practically useless

[poeticfinesse21]

The K24Z2 and K24Z3 also have a radical, new design for the head on the exhaust side. Instead of having an exhaust manifold with four individual exhaust ports for each combustion chamber, a sort of pyramid shaped collector diverts all the exhaust into a single square exit. this was done for various reasons such as bolting the catalytic converter close to the engine for faster heating in cold starts and doing away the header for cost reduction.

Found this on k20a.org, that motor is useless.
Aside from the K20Z1 and K20Z3, you want to stay away from any K-series motor with a "Z" in the engine code.

[03Si757]

I found this dave, not sure if this will work for you

http://www.k20a.org/forum/showthread.php?t=111537

[03Si757]

Looking at the parts on bkhonda parts for the CR-V and then the 08 accord, the mount holes do look to be in the same place, while the cases look different.

[USAF EP3]

Found this on k20a.org, that motor is useless.
Aside from the K20Z1 and K20Z3, you want to stay away from any K-series motor with a "Z" in the engine code.

Not necessarily.

The block is still usefull and it adds more K24 shortblocks to the market for everyone that still owns the older style K20/K24 cylinder heads.

Also something to note Dave:

Since I know you LOVE OEM builds and parts (I don't blame you I do too but I love spending money LOL!) keep an eye out for the K24Z3/Z7 blocks and/or pistons as they have a static 11.0:1 comp ratio in the K24's. Get them .25mm stock overbore size and you're look at almost 11.1:1 or more with a K20 head swap. If you're planning on picking that Z2 block up I would pick up the pistons I'm talking about as well.

If I were to do it all over again I wouldn't have gone with .25mm stock overbore K20Z3 pistons, I would've used the newer TSX/Accord/Civic Si pistons and built my engine to 87mm K20Z3. Probably could've netted closer to the 12.0:1 comp ratio range without having to use aftermarket pistons.

[03Si757]

Also read up on if you were wanting to swap say a a2 head onto the k24z2 block the coolant ports are in different locations then say a k24a1 block. Im trying to find this post, its over on k20a

[Ba82Ep3]

Thanx guys... i had a thread on k20a too... thanx for chiming in over there as well Poetic.

I was pushin for info because i didnt wanna lose my leg up on the block. It looks like its going to be more effort than i wanna put into it for now. It will be something i look into more thoroughly for the future.

[Ba82Ep3]

If I were to do it all over again I wouldn't have gone with .25mm stock overbore K20Z3 pistons, I would've used the newer TSX/Accord/Civic Si pistons and built my engine to 87mm K20Z3. Probably could've netted closer to the 12.0:1 comp ratio range without having to use aftermarket pistons.


I have a k20z1 on the engine stand now being built for 87mm bore 12.5cr :mangel:

[USAF EP3]

I have a k20z1 on the engine stand now being built for 87mm bore 12.5cr :mangel:

Give...now.

I want an oem block with the newer K24Z3/7 pistons so bad and boost it. So snappy throttle response and big top end because of the turbo. AGHHHH!!

[Ba82Ep3]

Give...now.


:becky:



You know ive always got somethin on the back burner... if not on two of them. lol

[lemonhead228]

Not necessarily.

The block is still usefull and it adds more K24 shortblocks to the market for everyone that still owns the older style K20/K24 cylinder heads.

Also something to note Dave:

Since I know you LOVE OEM builds and parts (I don't blame you I do too but I love spending money LOL!) keep an eye out for the K24Z3/Z7 blocks and/or pistons as they have a static 11.0:1 comp ratio in the K24's. Get them .25mm stock overbore size and you're look at almost 11.1:1 or more with a K20 head swap. If you're planning on picking that Z2 block up I would pick up the pistons I'm talking about as well.

If I were to do it all over again I wouldn't have gone with .25mm stock overbore K20Z3 pistons, I would've used the newer TSX/Accord/Civic Si pistons and built my engine to 87mm K20Z3. Probably could've netted closer to the 12.0:1 comp ratio range without having to use aftermarket pistons.

Haha that was my plan to run the 09 Tsx piston but I thought about it and just gonna stick to the 06+ k24a2 block. Less hassle to pull everything apart